{
  Copyright 2012 Sergey Ostanin

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
}

unit UnicodeCommandLine;

interface

uses
  Classes, SysUtils, ShellApi, Windows;

function GetCommandLineArgument(Index: Integer): String;

implementation

function GetCommandLineArgument(Index: Integer): String;
var
  ArgumentCount: Integer;
  p: PPWideChar;
begin
  Assert( Index >= 0 );
  p := CommandLineToArgvW(GetCommandLineW, @ArgumentCount);
  if p = nil then
    Result := ''
  else
  begin
    try
      if Index < ArgumentCount then
        Result := UTF8Encode(UnicodeString(p[Index]))
      else
        Result := '';
    finally
      {$HINTS OFF}
      LocalFree(HLOCAL(p));
      {$HINTS ON}
    end;
  end;
end;

end.

